221433231033100 has 18 divisors (see below), whose sum is σ = 480510111342044. Its totient is φ = 88573292413200.

The previous prime is 221433231033097. The next prime is 221433231033169. The reversal of 221433231033100 is 1330132334122.

It is a super-2 number, since 2×221433231033100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1107166155066 + ... + 1107166155265.

Almost surely, 2^{221433231033100} is an apocalyptic number.

221433231033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221433231033100 is an abundant number, since it is smaller than the sum of its proper divisors (259076880308944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221433231033100 is a wasteful number, since it uses less digits than its factorization.

221433231033100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214332310345 (or 2214332310338 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 221433231033100 its reverse (1330132334122), we get a palindrome (222763363367222).

The spelling of 221433231033100 in words is "two hundred twenty-one trillion, four hundred thirty-three billion, two hundred thirty-one million, thirty-three thousand, one hundred".